atomic_cmpset_acq_64
#define atomic_cmpset_acq_long atomic_cmpset_acq_64
#define atomic_cmpset_acq_ptr atomic_cmpset_acq_64
if (atomic_cmpset_acq_64(&r->state, os.state, ns.state)) {
if (atomic_cmpset_acq_64(&r->state, os.state, ns.state)) {
if (!atomic_cmpset_acq_64(&r->state, os.state, ns.state))
#define atomic_cmpset_acq_long atomic_cmpset_acq_64
#define atomic_cmpset_acq_ptr atomic_cmpset_acq_64